<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm"  :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="公告标题" prop="noticeTitle">
        <el-input
          v-model="queryParams.noticeTitle"
          placeholder="请输入公告标题"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="操作人员" prop="createBy">
        <el-input
          v-model="queryParams.createBy"
          placeholder="请输入操作人员"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="类型" prop="noticeType">
        <el-select v-model="queryParams.noticeType" placeholder="公告类型" clearable>
          <el-option
            v-for="dict in dict.type.sys_notice_type"
            :key="dict.value"
            :label="dict.label"
            :value="dict.value"
          />
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <template v-if="!isReceive">
        <el-col :span="1.5">
          <el-button
            type="primary"
            plain
            icon="el-icon-plus"
            size="mini"
            @click="handleAdd"
            v-hasPermi="['system:notice:add']"
          >新增</el-button>
        </el-col>
        <el-col :span="1.5">
          <el-button
            type="success"
            plain
            icon="el-icon-edit"
            size="mini"
            :disabled="single"
            @click="handleUpdate"
            v-hasPermi="['system:notice:edit']"
          >修改</el-button>
        </el-col>
        <el-col :span="1.5">
          <el-button
            type="danger"
            plain
            icon="el-icon-delete"
            size="mini"
            :disabled="multiple"
            @click="handleDelete"
            v-hasPermi="['system:notice:remove']"
          >删除</el-button>
        </el-col>
      </template>
      
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="noticeList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" v-if="!isReceive" width="55" align="center" />
      <el-table-column
        label="公告标题"
        align="center"
        prop="noticeTitle"
        :show-overflow-tooltip="true"
      />
      <!-- <el-table-column label="公告内容" align="center" prop="noticeContent" :show-overflow-tooltip="true" /> -->
      <el-table-column label="公告类型" align="center" prop="noticeType" width="160">
        <template slot-scope="scope">
          <dict-tag :options="dict.type.sys_notice_type" :value="scope.row.noticeType"/>
        </template>
      </el-table-column>
      <el-table-column label="发送对象" v-if="!isReceive" align="center" prop="sendType" width="160">
        <template slot-scope="{row}">
          {{ row.sendType | sendUserName(sendTypeArr)}}
        </template>
      </el-table-column>
      <el-table-column label="状态" align="center" prop="status" width="160">
        <template slot-scope="scope">
          <dict-tag :options="dict.type.sys_notice_status" :value="scope.row.status"/>
        </template>
      </el-table-column>
      <el-table-column label="已读/未读人数" v-if="!isReceive" align="center" width="120">
        <template slot-scope="{row}">
          <div class="readStatus" @click.stop="readStatusClick(row)">
            <span class="readStatus-readCount">{{row.readCount? row.readCount : 0}}</span>/<span class="readStatus-notReadCount">{{row.notReadCount? row.notReadCount : 0}}</span>
          </div>
        </template>
      </el-table-column>
      <el-table-column label="创建者" align="center" prop="createBy" width="100" />
      <el-table-column label="创建时间" align="center" :show-overflow-tooltip="true" prop="createTime" width="180">
      </el-table-column>
      <el-table-column label="操作" align="center" width="200" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            v-if="isReceive"
            @click="handleUpdate(scope.row, 'detail')"
          >查看</el-button>
          <el-button
            size="mini"
            type="text"
            v-if="!isReceive"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['system:notice:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            v-if="!isReceive"
            @click="handleDelete(scope.row)"
            v-hasPermi="['system:notice:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改公告对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="960px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-row>
          <el-col :span="12">
            <el-form-item label="公告标题" prop="noticeTitle">
              <el-input v-model="form.noticeTitle" :disabled="isReceive" placeholder="请输入公告标题" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="公告类型" prop="noticeType">
              <el-select v-model="form.noticeType" :disabled="isReceive" placeholder="请选择公告类型">
                <el-option
                  v-for="dict in dict.type.sys_notice_type"
                  :key="dict.value"
                  :label="dict.label"
                  :value="dict.value"
                ></el-option>
              </el-select>
            </el-form-item>
          </el-col>
          <el-col :span="12" v-if="!isReceive">
            <el-form-item label="状态">
              <el-radio-group v-model="form.status">
                <el-radio
                  v-for="dict in dict.type.sys_notice_status"
                  :key="dict.value"
                  :label="dict.value"
                >{{dict.label}}</el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>
          <el-col :span="12" v-if="!isReceive">
            <el-form-item label="发送对象" prop="sendType">
              <el-select v-model="form.sendType" @change="sendTypeChange" placeholder="请选择发送对象">
                <el-option
                  v-for="dict in sendTypeArr"
                  :key="dict.value"
                  :label="dict.label"
                  :value="dict.value"
                ></el-option>
              </el-select>
            </el-form-item>
          </el-col>
          <el-col v-if="(form.sendType == '3' || form.sendType == '4') && !isReceive" :span="24">
            <el-form-item :label="form.sendType == '3' ? '选择教师' : '选择学生'">
              <el-badge :value="sendUserIds.length" :hidden="!sendUserIds.length" :type="'primary'">
                <el-button size="small" @click="selectUserBtn">选择</el-button>
              </el-badge>
            </el-form-item>
          </el-col>
          <el-col :span="24">
            <el-form-item label="内容">
              <editor :readOnly="isReceive" v-model="form.noticeContent" :min-height="192"/>
            </el-form-item>
          </el-col>
        </el-row>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" v-if="!isReceive" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
    <SelectUser ref="selectUserRef" :sendType="form.sendType" :sendUserIds.sync="sendUserIds"></SelectUser>
    <ReadStatusUser ref="readStatusUserRef"></ReadStatusUser>
  </div>
</template>

<script>
import { 
  listNotice,
  queryMyNotice, 
  getNotice, 
  delNotice, 
  addNotice, 
  updateNotice,
  getMyNotice
} from "@/api/system/notice";
import SelectUser from "./moudles/selectUser";
import ReadStatusUser from "./moudles/readStatusUser";
export default {
  name: "Notice",
  dicts: ['sys_notice_status', 'sys_notice_type'],
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 公告表格数据
      noticeList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        noticeType:'',
        noticeTitle: undefined,
        createBy: undefined,
        status: undefined
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        noticeTitle: [
          { required: true, message: "公告标题不能为空", trigger: "blur" }
        ],
        noticeType: [
          { required: true, message: "公告类型不能为空", trigger: "change" }
        ],
        sendType: [
          { required: true, message: "发送对象不能为空", trigger: "change" }
        ]
      },
      sendTypeArr:[{
        label: '全体教师',
        value: '1'
      },{
        label: '全体学生',
        value: '2'
      },{
        label: '自定义教师',
        value: '3'
      },{
        label: '自定义学生',
        value: '4'
      }],
      sendUserIds:[]
    };
  },
  components:{
    SelectUser,
    ReadStatusUser
  },
  created() {
    if (this.$route.query && this.$route.query.type) {
      this.getList();
    }
  },
  computed:{
    isReceive () {
      return this.$route.query && this.$route.query.type && this.$route.query.type == 'myReceive'
    }
  },
  methods: {
    readStatusClick (row) {
      console.log(row, 'row')
      this.$refs.readStatusUserRef.open(row)
    },
    selectUserBtn(){
      this.$refs.selectUserRef.open()
    },
    sendTypeChange (e) {
      this.sendUserIds = []
      this.$refs.selectUserRef.initData()
    },
    /** 查询公告列表 */
    getList() {
      if (this.$route.query.type) {
        this.loading = true;
        if (this.$route.query.type == 'notice') { // 通知公告列表
          listNotice(this.queryParams).then(response => {
            this.noticeList = response.rows;
            this.total = response.total;
            this.loading = false;
          });
        } else if (this.$route.query.type == 'mySend') { // 我发送的通知公告
          queryMyNotice(this.queryParams).then(response => {
            this.noticeList = response.rows;
            this.total = response.total;
            this.loading = false;
          });
        } else if (this.$route.query.type == 'myReceive') { // 我收到的通知公告
          getMyNotice(this.queryParams).then(response => {
            this.noticeList = response.rows;
            this.total = response.total;
            this.loading = false;
          });
        }
      }
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        noticeId: undefined,
        noticeTitle: undefined,
        noticeType: undefined,
        noticeContent: undefined,
        noticeType:'',
        status: "0"
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.noticeId)
      this.single = selection.length!=1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加公告";
    },
    /** 修改按钮操作 */
    handleUpdate(row, type) {
      this.reset();
      const noticeId = row.noticeId || this.ids
      getNotice(noticeId).then(response => {
        this.form = response.data;
        this.open = true;
        if (type == 'detail') {
          this.title = "公告详情";
        } else {
          this.title = "修改公告";
        }
      });
    },
    /** 提交按钮 */
    submitForm: function() {
      console.log("this.sendUserIds", this.sendUserIds)
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.sendType == '3' || this.form.sendType == '4') {
            if (!this.sendUserIds.length){
              this.$modal.msgWarning("请选择" + this.form.sendType == '3'? "教师" :"学生");
              return
            }
          }
          if (this.form.noticeId != undefined) {
            updateNotice({
              ...this.form,
              // userIds: this.sendUserIds
            }).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addNotice({
              ...this.form,
              userIds: this.sendUserIds
            }).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const noticeIds = row.noticeId || this.ids
      this.$modal.confirm('是否确认删除公告编号为"' + noticeIds + '"的数据项？').then(function() {
        return delNotice(noticeIds);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {});
    }
  },
  filters:{
    sendUserName(val,arr){
      const user = arr.find((item) => {return item.value == val})
      if (user) {
        return user.label
      } else {
        return ''
      }
    }
  }
};
</script>
<style lang="scss" scoped>
  .readStatus{
    cursor:pointer;
    &-readCount{
      color: #67c23a;
    }
    &-notReadCount{
      color: #909399;
    }
  }
</style>